Optical trap / Laser tweezers access service

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Optical tweezers microscopes for the measurement of nanometer-scale displacements and picoNewton-scale forces are available to Penn laboratories. These instruments are used for measuring biological forces (e.g., cell adhesion forces, protein-protein interactions, protein conformational changes, and other macromolecular associations) and manipulating objects in vitro and in the cytoplasm of live cells.